/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { StringDescription } from './StringDescription.js';
/**
 * BaseClass for all Matcher implementations.
 *
 * @see Matcher
 */
export class BaseMatcher {
    describeMismatch(item, description) {
        description.appendText("was ").appendValue(item);
    }
    toString() {
        return StringDescription.convertToString(this);
    }
    /**
     * Useful null-check method. Writes a mismatch description if the actual object is null
     * @param actual the object to check
     * @param mismatch where to write the mismatch description, if any
     * @return false iff the actual object is null
     */
    static isNotNull(actual, mismatch) {
        if (actual == null) {
            mismatch.appendText("was null");
            return false;
        }
        return true;
    }

    matches(actual) {}

    describeTo(description) {}
}
